Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/45-20 | 235/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.33 (719.5) | 26.48 (672.5) | -1.85 (-47) -6.5% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 88.99 (2260.38) | 83.18 (2112.72) | -5.81 (-147.65) -6.5% |
| Sidewall Height inches (mm) | 4.16 (105.75) | 3.24 (82.25) | -0.93 (-23.5) -22.2% |
| Revolutions per mile (km) | 711.98 (442.4) | 761.74 (473.32) | 49.76 (30.92) 7% |
235/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.08 km/h) |
| 25 mph (40.23 km/h) | 23.37 mph (37.61 km/h) |
| 30 mph (48.28 km/h) | 28.04 mph (45.13 km/h) |
| 35 mph (56.33 km/h) | 32.71 mph (52.65 km/h) |
| 40 mph (64.37 km/h) | 37.39 mph (60.17 km/h) |
| 45 mph (72.42 km/h) | 42.06 mph (67.69 km/h) |
| 50 mph (80.47 km/h) | 46.73 mph (75.21 km/h) |
| 55 mph (88.51 km/h) | 51.41 mph (82.73 km/h) |
| 60 mph (96.56 km/h) | 56.08 mph (90.25 km/h) |
| 65 mph (104.61 km/h) | 60.75 mph (97.77 km/h) |
| 70 mph (112.65 km/h) | 65.43 mph (105.3 km/h) |
| 75 mph (120.7 km/h) | 70.1 mph (112.82 km/h) |
| 80 mph (128.75 km/h) | 74.77 mph (120.34 km/h) |
| 85 mph (136.79 km/h) | 79.45 mph (127.86 km/h) |
| 90 mph (144.84 km/h) | 84.12 mph (135.38 km/h) |
| 95 mph (152.89 km/h) | 88.79 mph (142.9 km/h) |
| 100 mph (160.93 km/h) | 93.47 mph (150.42 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1938 | 2252 | 2425 | 2532 | 2648 | 2730 | 2821 | 2928 | 3077 | 3225 | 3390 | 3522 | 3761 | 4025 | 4232 | 4364 | 4438 | 4710 | 5090 | 5914 |
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